I. explain each reasoning in the ff case: (a) If the momentum of a single point object is equal to zero, must the object’s kinetic energy also be zero?  (b) If  the momentum of a pair of point objects is equal to zero, must the kinetic energy of those objects also be zero?    (c) If the kinetic energy of a pair of point objects is equal to zero, must the momentum of those objects also be zero?

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